I do not believe this question has actually been scientifically studied... but I can hazard a guess. Sodas are those flavored fizzy drinks like Coca-Cola and Pepsi. The "fizziness" is due to carbonation or carbon dioxide dissolved within the drink. When sodas are made, carbon dioxide is forced into the liquid under pressure so that there's more gas dissolved in the liquid than at regular air pressure. The bubbles you see and feel is caused by the carbon dioxide gas being…